var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var index = require('./routes/index.js');
var about = require('./routes/about.js');
var greeting = require('./routes/greeting.js');
var pages = require('./routes/pages.js');

var app = express();

// save root dir to app
app.set('root dir', __dirname);

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// uncomment after placing your favicon in /public
//app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', index);
app.use('/about', about);
app.use('/greeting', greeting);
app.use('/pages', pages);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
    app.use(function(err, req, res, next) {
        res.status(err.status || 500);
	if(err.status == 404)
	    res.render('404', {error: err});
	else
            res.render('error', {
		message: err.message,
		error: err
            });
    });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    if(err.status == 404)
	res.render('404', {error: err});
    else
	res.render('error', {
            message: err.message,
            error: {}
	});
});


module.exports = app;
